CONTENTS
Discrete Orderings and Commutative Monoids . . . 1395 A. Tz.ouva.ras
Nearness Relations in Discretely Ordered Rings . . . 1409 A. Tzouvaras
Auslander Algebras Are 2-Gorenstein . . . 1427 J. Y. Guo and Q. Wu
Endomorphism Rings of Quasi-principally Injective Modules . . . 1437 N. V. Sanh and K. P. Shum
First Syzygies of Toric Varieties and Diophantine Equations
in C o n g r u e n c e . . . 1445 P. Pisdn-Casares and A. Vigneron-Tenorio
Commutative Rings in Which Every Principal Ideal Is a Finite
Intersection of Prime Power I d e a l s . . . 1467 C. Jayaram
Rings Whose Simple Modules Are Absolutely P u r e . . . 1477 Z. Wu and Q. Xia
D-Modules and Etale Morphisms . . . 1487 S. C. Coutinho and D. Levcovitz
Normality of Affine Semigroup Rings Generated by
2-Dimensional Cone Type Simplicial Complexes. . . . 1499 Y. Takayama
Closed Submodules of Normalizing Bimodules over Semiprime
Rings . . . 1513 M. Ferrero
Nilpotent Lie Algebras of Maximal Rank and of Kac-Moody
Type: F . . . 1551 D. Ferndndez-Ternero and]. Niinez-Valdes
An n-Rewritability Criterion for Infinite Groups . . . 1571 A. Abdollahi, A. Mohammadi Hassanabadi, and B. Taeri
Pro-p Groups of Finite Width . . . 1583 A. R. Camina and R. D. Camina
Algebraic Elements in Alternative Loop A l g e b r a s . . . 1595 A. K. Bhandari, A. Kaila, and I. B. S. Passi
On Derivation Deviations in an Abstract Pre-operad . . . 1609|
L. Kluge and E. Paal
Topological Hochschild Homology and the Condition of
Hochschild-Kostant-Rosenberg . . . 1627 M. Larsen and A. Lindenstrauss
Automorphisms of the Enveloping Algebra of the Three-
Dimensional Nilpotent Lie Algebra . . . 1639 V. Drensky
Krull-Schmidt Theorem and Homogeneous Semilocal R i n g s . . . 1649 F. Barioli, A. Facchini, F. Raggi, and J. Ri'os
When Are Artinian Pi-Rings Artin Algebras? . . . 1659 M. Schmidmeier
On Single Laws for Varieties of Quasigroups Associated with
Extended Cycle Systems . . . 1669 A. Khodkar and S. Zahrai
Z x Z-Graded Lie Algebras Containing a Virasoro Algebra
and a Heisenberg Algebra . . . 1677 J. M. Osborn and K. Zhao
Modules over Pull-Backs of Algebras . . . 1709 Z. Pogorwiy
The Multiplication Algebra of a B-Semisimple Baric Algebra . . . 1729 M. A. Couto and H. Guzzo, Jr.
Direct Sums of Multiplication Modules . . . 1741 S. Singh
The Groups of Order q" p . . . 1759 H. U. Besche and B. Eick
A New Computer Construction of the Irreducible 112-Dimensional 2-Modular Representation ofJanko's
Group . / 4 . . . 1773 G. 0. Michler and M. Weller
Homogeneous Semilocal R i n g s . . . 1807 R. Corisello and A. Facchini
On the Level of a Quaternion Algebra . . . 1821 A. Laghribi and P. Mammone
Characters Induced from Fully Ramified Subgroups . . . 1829 G. Navarro and L. Sanus
A Gel'fand Model for the Symmetric Group. . . . 1841 J. L. Aguado and J. 0. Araujo
